4Fossil sites
Den Formation
Den Formation in Australia: 4 fossil sites. Typical age: 458–443 million years (Ordovician).
4Fossil sites
0Finds
458–443 million yearsTypical age
OrdovicianMain period
Where its fossils were found
Ordovician
By geological period
Ordovician4
Towns with the most fossil sites nearby
Other formations of the same period
Ordovician
Stairway Formation 68Emanuel Formation 45Nora Formation 41Rollston Range Formation 25Fossil Hill Limestone 19Daylesford Limestone 17Malongulli Formation 16Benjamin Limestone 12Florentine Valley Formation 12Westfield Sandstone 11Stairway Sandstone 10Cashions Creek Formation 8Belubula Formation 8Coolibah Formation 8Goonumbla Volcanics Formation 7Vandon Limestone 7Gordon Limestone 7Stokes Siltstone 7Gap Creek Formation 6Benjamin Formation 6Willara Formation 6Goldwyer Formation 6Fairbridge Volcanics Formation 5Horn Valley Siltstone 5